I know canon have tried to design a system that doesn't alienate existing EF users, ...
No, wrong. Canon was neither able nor willing to build a good, fast-responding mirrorless cam. They just try to stuff their dumb old DLSRs down our throats at ever higher prices.
NOT A SINGLE "EF user" would be offenden with an EOS-M that has the sensor and all other innards of an EOS 70D and the hybrid-AF speed of an Olympus OMD1. Or even a FF-EOS mirrorless, the size of a Sony A7/R with a gret 36 MP sensor at 2.500 USD. Actually, if Canon made and sold those and included an EF-adapter for free with each of these MILCs ... they would have a future in this business.
They way they go about it up to now ... likely not.
One of the root causes here is that Canon is making so much money with products other than cameras and lenses that their focus is now mostly elsewhere.
As long as they somehow manage to hang on to their market leader status Canon will not go all-out on being innovative. They will only react once they lose market shares in areas giving them high margins, so Olympus won't force a reaction just by providing better product features. Olympus must outsell Canon enough to make them hurt. Otherwise Canon will just allow less profitable niche markets to go down the drain, while they make more money elsewhere. This is just good business sense, but will not exactly stir the rumor mill.
In my humble opinion the story of the EOS-M just illustrates Canon's cautious approach. They do know their strengths and thus provided the EOS-M with an EF-adapter, but otherwise Canon to me appear to regard the mirrorless market as a relatively bad business for them. Putting the 70D AF into a DSLR first may have happened purely based on product release cycles, but what if this is not the case and putting this kind of AF into a DSLR just for increased live view AF performance generates more profits than putting the same technology into an EOS-M2? We cannot fully ignore such possibilities, although from my own experience with such issues I agree with Don, dependencies on planned release dates and time taken for development projects are quite likely.
Multiple posters have claimed on this forum that Canon may fear mirrorless sales eating into their DSLR sales, but I don't expect there is much behind that with the kind of hype going on inflating the mirrorless market up to fully unrealistic proportions. Canon is sure to have real numbers to base their market research on. I expect this will serve Canon well in the long run.